LS1TECH - Camaro and Firebird Forum Discussion

best cat to pass emissions?

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Old Apr 4, 2006 | 04:48 PM
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Default best cat to pass emissions?
what would be my best bet to pass emissions? magnaflow universal 3" cat or something else? I want to keep as much hp as possible but still have it pass.
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Old Apr 4, 2006 | 05:41 PM
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Originally Posted by imnotplutonium
what would be my best bet to pass emissions? magnaflow universal 3" cat or something else? I want to keep as much hp as possible but still have it pass.
Uhh Bro, as long as your car isn't throwing any codes your good !!
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Old Apr 4, 2006 | 06:20 PM
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If its a LT1 it will not pass with only cats. It has to have EGR too.
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Old Apr 4, 2006 | 06:23 PM
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Originally Posted by Pewter02TA
If its a LT1 it will not pass with only cats. It has to have EGR too.
Good Call, Didn't pay attenetion to his Sig(LT1)


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Old Apr 4, 2006 | 06:23 PM
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Originally Posted by Strini SS
Good Call, Didn't pay attenetion to his Sig(LT1)


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Its ok.....go buy the T.I. cd its fyaa
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Old Apr 4, 2006 | 06:24 PM
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Originally Posted by Pewter02TA
Its ok.....go buy the T.I. cd its fyaa
That's what I hear.. I need to copp that..

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Old Apr 4, 2006 | 06:57 PM
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yea it is an lt1 so i have the sniffer, and i do still have egr and air systems, just no cat.

any suggestions?
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Old Apr 4, 2006 | 06:57 PM
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well actually not because it is an lt1 because it is obd1
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Old Apr 5, 2006 | 08:20 AM
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anyone?
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Old Apr 5, 2006 | 10:23 AM
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get some that you can just snap in for easy removal.

Thomas
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Old Apr 5, 2006 | 10:31 AM
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thats a good idea, i would just have to have like a set up with the cat and an i-pipe connected to the exhaust with wing nuts or something? anyone else do this?
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Old Apr 5, 2006 | 10:37 AM
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In my LT1 days I had the special Y pipe with a cat on each side and a cat on the I pipe to pass. After it did I would switch back to the old one.

Thomas
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Old Apr 5, 2006 | 11:05 AM
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damn 3 of them? i figured i would only need one
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